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This document is written to give input on the best way to integrate an external webshop to the Extend XTND platform via Extend XTND REST API.

First you need to decide the big picture process in the integration. This is about how many data points that should be integrated. Orders and Balances are often mandatory, generally it does not make sense to integrate without these two data points.

However, you need to make a decision about the following:

Masterdata Customer

• If you should get masterdata about customers from Extend XTND (normally used if there is a clear B2B process and that the customer needs to be establish in Extend XTND first to connect to right price lists, customer groups, salespersons etc.)
• Or if you should establish customers in Extend XTND from the webshop.
• Or if no sync of customer masterdata should be done at all.

Masterdata Products

The products must exists in both systems, should there be any masterdata sync about this?

Prices

When the order is placed from the webshop into ExtendXTND, the price on the order is handled exactly as the webshop states. But If you want to have a "push" of standard prices from Extend XTND to the webshop, then this must be one of the data points to use as well.

Create order

In Extend XTND from the webshop:

Use POST on the method CustomerOrders

Get update on order

We recommend that you activate webhook from Extend XTND to the webshop. When this is written we support:

• Order picked (equal to order shipped out from warehouse)

• Order reserved (when picking is started, after this no adjustment is allowed)
• Order cancelled
• OrderDeliveryDataChanged (if expected delivery date is changed on an order)

Using webhooks

If you get those hooks, then use the GET customerorders/{id} method to fetch all details about the shipment of the order.

Webhooks not possible

If you can't use the webhook as trigger to fetch data, then use the GET CustomerOrders (you get a list of ordernumber there) here you can use different parameters to find orders that has been changed shipped etc. 

If you want the webshop to have info about the available balance in the warehouse you should call GET ProductAvailability

In this method you can add some parameters to find balance for products with changed balance since a timestamp, specific products and on different warehouses.

Due to that balance is a real time data we also strongly recommend that you use a webhook called AvaiableBalanceChanged from ExtendXTND.

In this hook we will send you itemnumber and new balance.  This is as near real time you can get. Every change in available balance will trigger a hook.

Use the webhook as a trigger to call the ProductAvailabilty method. You could use the info in the hook to update you balance, but we recommend that you use it as a trigger to call us.

Get products

If you want to get product masterdata from ExtendXTND, then use the GET Products method.

This is also build with a logic where you can get a list with a lot of parameters, including last change date of product masterdata.

Use in this order:

1) Use this to get the a list of productnumbers that you want to get data on

2) Then call the GET single product to fetch all data.

Get customers

If you want to get customer masterdata from ExtendXTND. Then use the GET Customers method.

This is also build with a logic where you can get a list with a lot of parameters, including last change date of customer masterdata.

Use in this order:

1) Use this to get the a list of customers that you want to get data on

2) Then call the GET single product to fetch all data.

Create customers

If you want to create customers then use the POST Customers method.

Get prices

If you want to get prices you use the GET ProductPrices method.

In Extend XTND, the prices are a net list of best price for a customer number. Meaning that if there is one pricelist, one discountlist, one special campaign pricelist active at the same time, Extend XTND will respond in the ProductPrice Method with a list of "right now" best price for a customer.

Therefore, you need to put in a parameter of a customer number to fetch prices.